1: (0 1 5)

(0)(1 16 11 7 5 20 3)(2 6 4)(8 12 9)(10 21 19 15 13)(14 18 17)

2: (3 5 20)

(0)(1 16 11 7 5)(2 6 4)(3)(8 12 9)(10 21 19 15 13)(14 18 17)(20)

3: (2 6 4)

(0)(1 16 11 7 5)(2)(3)(4)(6)(8 12 9)(10 21 19 15 13)(14 18 17)(20)

4: (1 16 5)

(0)(1)(2)(3)(4)(5 11 7)(6)(8 12 9)(10 21 19 15 13)(14 18 17)(16)(20)